IPA: /rɪˈbɒtɪsɪst/
KK: /rəˈbɒtɪsɪst/
A person who designs and builds robots, often working in technology and engineering fields.
The roboticist presented her latest invention at the technology conference.
Roboticist is formed from "robot" (from Czech *robota*, meaning forced labor or drudgery) and "-icist" (a suffix used to denote a specialist or expert in a field). The word refers to a specialist in the field of robotics, which involves the design and creation of robots.
Think of a 'robot' as a machine that performs tasks, and '-icist' means a person who specializes in something. So, a roboticist is someone who specializes in creating and working with robots.
No commonly confused words.